package io;

import java.io.*;

public class Prictice {
    public static void main(String[] args) throws IOException {
        /*FileInputStream sos=new FileInputStream("de.txt");
        FileOutputStream sis=new FileOutputStream("de.txt",true);
        int a;
        int b;
        sis.write(27);
        System.out.println("搞定");
        sis.write(1545);
        a=sos.read();
        System.out.println(a);*/
        File  file=new File("de.txt");
        FileInputStream sos=new FileInputStream(file);


    }
}
